by Nyoman S. Pendit $12.00
by Prof. Dr. h. Sunarto dan Dra. Ny. B. Agung Hartono $9.00
by Ir. Heinz Frick $6.00
by Prof. DR. Taliziduhu Ndraha $12.00
by Maria A. Sardjono $7.00
by FIDI $7.00
